4.4store.py

# Write a program that has a class store which keeps the record of code and price of product display the menu of all product and prompt to enter the quantity of each item required and finally generate the bill and display the total amount.

class Store:
    def __init__(self):
        self.products = {}

    def add_product(self, code, name, price):
        self.products[code] = {'name': name, 'price': price}

    def display_menu(self):
        print("Menu:")
        print("Code\tName\tPrice")
        for code, product in self.products.items():
            print(f"{code}\t{product['name']}\t₹{product['price']}")

    def generate_bill(self, order):
        total_amount = 0
        print("\n------------------ RECEIPT ------------------")
        print("Code\tName\tPrice\tQuantity\tTotal")
        for code, quantity in order.items():
            product = self.products[code]
            item_total = quantity * product['price']
            total_amount += item_total
            print(f"{code}\t{product['name']}\t₹{product['price']}\t{quantity}\t\t₹{item_total}")

        print("\nTotal Amount: ₹{:.2f}\n".format(total_amount))


def main():
    store = Store()

    store.add_product('001', 'Bread', 25.00)
    store.add_product('002', 'Chips', 15.00)
    store.add_product('003', 'KitKat', 10.00)
    store.add_product('004', 'Coke', 20.00)
    store.add_product('005', 'Biscuit', 12.00)
    store.add_product('006', 'Butter', 35.00)
    store.add_product('007', 'Rice', 30.00)
    store.add_product('008', 'Lentils', 35.00)
    store.add_product('009', 'Suji', 40.00)
    store.add_product('010', 'Spice', 20.00)

    store.display_menu()

    order = {}
    while True:
        code = input("Enter the product code (or 'done' to finish): ")
        if code.lower() == 'done':
            break
        elif code in store.products:
            quantity = int(input(f"Enter the quantity for {store.products[code]['name']}: "))
            order[code] = quantity
        else:
            print("Invalid product code. Please enter a valid code.")

    store.generate_bill(order)


if __name__ == "__main__":
    main()